scendere in campo

Etymology
lit. 'to go down to the field'.

Verb

 * 1) to take the field
 * 2) to battle; to combat
 * 3) to face a race or competition; to compete
 * 4) to actively engage in or advocate for a given issue
 * 1) to actively engage in or advocate for a given issue
 * 1) to actively engage in or advocate for a given issue